单词	crystal set
释义	crystal set noun : a radio receiver having a crystal detector and no vacuum tubes Word History First Known Use 1921, in the meaning defined above
随便看	AAR Aarau aardvark aardvarks aardwolf aardwolves Aare Aargau aargh aarhus Aaron Aaron's rod Aaron's-beard aaron's-beard cactus aaron's-beards Aaronic Aaronite aaronites AARP aarps aas AAS AASCU aases aasvoel

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